408978009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{133261}}^1$

素因数の和:133309

約数の個数: 24

約数和(自身を含む): 665243904

約数和(自身を除く): 256265895

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 133261, 399783, 1199349, 1465871, 4131091, 4397613, 12393273, 13192839, 37179819, 45442001, 136326003, 408978009]

約数ペア:

[(1, 408978009), (3, 136326003), (9, 45442001), (11, 37179819), (31, 13192839), (33, 12393273), (93, 4397613), (99, 4131091), (279, 1465871), (341, 1199349), (1023, 399783), (3069, 133261)]